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  1. Autolite 05-07 Mustang / 04-07 F150 Revolution HT0 Spark Plugs (8)
    $94.99

    Autolite Revolution HT0 Spark Plugs (8)

    **Single heat rage colder, designed specifically for Supercharger/Nitrous

    Prevent pre-ignition and detonation of the fuel due to the higher cylinder temperatures found in supercharged or nitrous fed engines with Autolite HT series spark plugs!

    Pre-ignition is typically caused by many factors, such as an overheated spark plug tip which acts like a glow plug to ignite the charge. This puts a tremendous load on the engine and adds considerable heat, and serious engine damage.

    These AUTOLITE Revolution HT Series Spark Plugs are one heat range colder than the stock Mustang plug and are designed specifically to handle the high boost pressure nitrous, and air flow into the engine. These plugs are factory gaped at 0.045 inch. Learn More
  2. Autolite Revolution 05-07 Mustang / 04-07 F150 HT1 Spark Plugs (8)
    $94.99

    Autolite Revolution HT1 Spark Plugs (8)

    **Stock heat rage, designed as direct replacmement spark plugs

    Prevent pre-ignition and detonation of the fuel due to the higher cylinder temperatures found in supercharged or nitrous fed engines with Autolite HT series spark plugs!

    Pre-ignition is typically caused by many factors, such as an overheated spark plug tip which acts like a glow plug to ignite the charge. This puts a tremendous load on the engine and adds considerable heat, and serious engine damage.

    These AUTOLITE Revolution HT Series Spark Plugs are one heat range colder than the stock Mustang plug and are designed specifically to handle the high boost pressure nitrous, and air flow into the engine. These plugs are factory gaped at 0.045 inch. Learn More
  3. Ford Performance 3V Cold Spark Plug (12mm Threads)
    $92.00

    • Fits 2008 and newer 3V heads requiring the 12 mm thread
    • For use in engines with higher than stock cylinder combustion pressures or sustained high rpm
    • One heat range colder than the stock Mustang GT and 5.4L-3V truck engine spark plugs
    • Sold in engine sets of 8
    • Use M-12405-3V0 spark plugs for early style 2005-2008 3V heads
    • Note:
      • 2008 engines with late style 12 mm spark plugs can be identified by coil engineering number 8L3E
      • 2005-2008 engines with early style 16 mm "High Thread" design spark plugs can be identified by coil engineering number 3L3E part number
      • All 2009-2010 engines use 12 mm spark plugs
    Learn More

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